Hach Nitrite TNTplus Vial Test HR 0.6-6.0 mg/L NO₂-N (TNT840)
Hach · Chemical Test Kits · Water Analysis Meters
Hach TNTplus 840 nitrite test, high range 0.6-6.0 mg/L NO₂-N (2.0-20.0 mg/L NO₂). Diazotization method DOC312.53.94141: nitrite reacts with primary aromatic amines in acidic solution to form a diazonium salt, coupled to an azo dye and measured spectrophotometrically.
Specifications
- Part number
- TNT840
- HS code
- 9027.80
Compatibility
All TNTplus vials use 16mm test-tube format with auto-recognition barcode on DR900/1900/6000.
Standards
- ISO methods
- ISO 7027 (turbidity)
- ISO 10523 (pH)
- EN ISO 7027
- ISO 7027
- ISO 10523
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